something I understand little more after long research : slider setting
For the home page setting:
* first, you need to create a new 2 page one blog and another home :
-for this go to cutomize> Homepage Settings > choose home page and post page like https://prnt.sc/l4a8or
– then go to homePage slider setting > slider section
– click on show button and choose a page with feature image page like https://prnt.sc/l4aasi.
– publish after setup.
for image shown in slider need to set images as feature image: